编辑：share 来源： 互联网 发布时间：2016-07-18
A/D It is more important for universities to spend money on improving facilities (such as library, computer labs, and technology in general) than to spend money on hiring famous teachers.
Three possible theories of why sturgeon fish jump into the air.
1. They need to feed themselves by the insects in the air
2. They want to remove the parasites on the scales.
3. They are aggressive when the tourists' boats invade their territory.
1. They don't eat in the summer since they are fed in winter with enough, and they are bottom fed, they eat from the sea floor.
2. The most dangerous parasites are internal, not external, even some domesticated have external parasites.
3. The human invasion is accidently, even without the invasion, the fish also jumped.